CN104631822A - Construction method for high-rise reinforced concrete elevator shaft - Google Patents

Construction method for high-rise reinforced concrete elevator shaft Download PDF

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Publication number
CN104631822A
CN104631822A CN201410781374.1A CN201410781374A CN104631822A CN 104631822 A CN104631822 A CN 104631822A CN 201410781374 A CN201410781374 A CN 201410781374A CN 104631822 A CN104631822 A CN 104631822A
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China
Prior art keywords
platform
construction
reinforced concrete
scaffold
moveable platform
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Pending
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CN201410781374.1A
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Chinese (zh)
Inventor
尹友非
高成果
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MCC Tiangong Group Corp Ltd
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MCC Tiangong Group Corp Ltd
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Priority to CN201410781374.1A priority Critical patent/CN104631822A/en
Publication of CN104631822A publication Critical patent/CN104631822A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a construction method for a high-rise reinforced concrete elevator shaft. The construction method comprises the steps: step one, a movable platform is assembled; step two, the movable platform is lifted and installed in position by using a tower crane after completing construction of a first floor elevator shaft; step three, the movable platform which is lifted and installed in position is arranged in a tilted mode, a scaffold is vertically fixedly arranged on the tilted movable platform, an overturning lap beam is arranged on the wall of the elevator shaft in a lap joint mode, and the overturning lap beam is clamped by a limiting clamping plate; step four, the scaffold is fixed firmly; step five, a formwork of the elevator shaft is installed, and the formwork is erected on a horizontal-bar-positional continuous wood beam of the shaft wall; step six, concrete construction is carried out on the elevator shaft; step seven, the formwork of the elevator shaft is removed; step eight, the movable platform is installed in position; step nine, repeating the step four to eight until the construction of the high-rise reinforced concrete elevator shaft is completed. According to the construction method for the high-rise reinforced concrete elevator shaft, the construction method can be utilized repeatedly, the usage of the formwork is effectively reduced, the manpower input is lowered, the cross-operation of a formwork worker and a scaffolder is reduced, and the project cost is lowered.

Description

Tall Steel reinforced concrete construction of lift well method
Technical field
The invention belongs to high-rise building elevator shaft field, especially a kind of Tall Steel reinforced concrete construction of lift well method.
Background technology
Along with the development of urbanization, the problems such as population expansion, house is difficult, land used is nervous become increasingly conspicuous, high-rise, super highrise building gets more and more, in the steel concrete construction of lift well of high-rise or super highrise building, common practice is: from high-rise concrete electric stair shaft melt pit, set up scaffold in hoistway, general scaffolding height passes through safety compute, but must not more than 50m, if after exceeding the height calculating and set up, on floor position hoistway wall, box out should be installed by girder steel, upwards segmented-erection scaffold from girder steel.Conveniently construction method, security protection is difficult to handle properly, and drops into a large amount of labour, a large amount of circulation material simultaneously, increases cost, extend the duration.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of Tall Steel reinforced concrete construction of lift well method is provided, this compression bonding apparatus structure is simple, design science is reasonable, easy to make, making material used is all engineering common used material, cost of manufacture is lower, can reuse, effectively reduce template consumption, reduce the cross-operation manually dropping into, reduce form fixer and scaffolder, reduce engineering cost.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of Tall Steel reinforced concrete construction of lift well method, the step of its construction method is:
(1), assemble moveable platform: moveable platform comprises platform girder, platform secondary beam, platform checkered steel plate, upset overlap joint beam, two parallel platform girders and two parallel platform secondary beams are orthogonal is loaded into roof beam structure, platform checkered steel plate is laid on roof beam structure and forms platform, upset overlap joint beam is rotatably installed in one end of platform, mounting limit clamp below upset overlap joint beam, platform four limit is all rotated and is installed turnover panel formation moveable platform;
(2), after first floor construction of lift well, with tower crane, moveable platform lifting is put in place;
(3), by lifting the moveable platform put in place be obliquely installed, scaffold is vertically packed on the moveable platform of inclination, upset overlap joint beam is overlapped on hoistway wall place and is lived by limiting card board;
(4), in the hoistway wall of scaffold horizon bar position, arrange elongated flitch, the adjustable U-shaped holder support of horizon bar two ends and hoistway wall hold out against, and adjustable U-shaped holder support U-type groove fastens this elongated flitch, makes the elongated flitch fixation on the borehole wall;
, lift-mounting well template, template stands on the elongated flitch of the horizon bar position borehole wall;
(6), elevator shaft concrete construction;
(7), hoistway formwork is removed;
(8), with tower crane, moveable platform is slowly upwards promoted, when moveable platform upwards promotes and leaves original position, upset overlap joint beam is rotated down by rotating shaft, the width of moveable platform is made to be less than elevator hoistways width, after moveable platform rises to last layer flooring, the upset screwed off overlap joint beam is propped up and prop up on last layer flooring, the downward off the hook of tower crane, makes moveable platform installation in position;
(9), repeat step and (4) arrive step (8) until Tall Steel reinforced concrete construction of lift well is complete.
And, described platform is provided with suspension ring.
And described scaffold is vertically packed on the moveable platform of inclination by scaffold base.
And the mesa base of described upset overlap joint beam side is installed only and is rotated postive stop baffle.
And described scaffold building is all undertaken by " building operations fastener type steel pipe scaffold technical specification of security " JGJ130-2011 specification.
And, described turnover panel width 300mm.
Advantage of the present invention and beneficial effect are:
It is fast that the present invention can realize scaffold building in steel concrete elevator shaft by moveable platform installation foot hand cradle, and security protection puts in place very much, changes the way in the past upwards setting up scaffold from elevator melt pit, guarantees continuity and the construction quality of construction.This moveable platform and scaffold system can be recycled simultaneously, and the floor scaffold lifting time only needs tens minutes each time, saves time very much, save scaffolding steel pipe simultaneously and take and tear scaffold open with artificial.Ensure that construction quality by this form bracing system and shorten the duration.
Accompanying drawing explanation
Fig. 1 is moveable platform of the present invention and scaffold building structural representation;
Fig. 2 is Fig. 1 moveable platform and scaffold building structure upward view.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of Tall Steel reinforced concrete construction of lift well method, the step of its construction method is:
(1), assemble moveable platform: moveable platform comprises platform girder 6, platform secondary beam 13, platform checkered steel plate 14, upset overlap joint beam 12, two parallel platform girders and two parallel platform secondary beams are orthogonal is loaded into roof beam structure, platform checkered steel plate is laid on roof beam structure and forms platform, platform is provided with suspension ring 4.Upset overlap joint beam is rotatably installed in one end of platform by rotating shaft 3, mounting limit clamp 1 below upset overlap joint beam, and platform four limit is all rotated installation turnover panel 7 and formed moveable platform; The mesa base of upset overlap joint beam side is installed only and is rotated postive stop baffle 2; Turnover panel width 300mm;
(2), after first floor construction of lift well, with tower crane, moveable platform lifting is put in place;
(3), be obliquely installed lifting the moveable platform put in place, scaffold 5 is vertically packed on the moveable platform of inclination, scaffold is vertically packed on the moveable platform of inclination by scaffold base 11 furtherly, and upset overlap joint beam is overlapped on hoistway wall place and is lived by limiting card board;
(4), in the hoistway wall of scaffold horizon bar position, arrange elongated flitch 8, horizon bar two ends adjustable U-shaped holder support 10 holds out against with hoistway wall, and adjustable U-shaped holder support U-type groove fastens this elongated flitch, makes the elongated flitch fixation on the borehole wall; Scaffold building is all undertaken by " building operations fastener type steel pipe scaffold technical specification of security " JGJ130-2011 specification;
, lift-mounting well template 9, template stands on the elongated flitch of the horizon bar position borehole wall;
(6), elevator shaft concrete construction;
(7), hoistway formwork is removed;
(8), with tower crane, moveable platform is slowly upwards promoted, when moveable platform upwards promotes and leaves original position, upset overlap joint beam is rotated down by rotating shaft, the width of moveable platform is made to be less than elevator hoistways width, after moveable platform rises to last layer flooring, the upset screwed off overlap joint beam is propped up and prop up on last layer flooring, the downward off the hook of tower crane, makes moveable platform installation in position;
(9), repeat step and (4) arrive step (8) until Tall Steel reinforced concrete construction of lift well is complete.
The present invention is welded into skeleton by platform girder, platform secondary beam, forms steel platform stress system.Steel frame completely spreads the thick checkered steel plate of 3mm and firm with skeleton spot welding, during paving checkered steel plate, platform surrounding and well enclosure are vacated 200mm and are not laid, the 200mm vacated is made turnover panel, turnover panel width 300mm, first by turnover panel translates into steel platform on when upwards carrying lift steel platform at every turn, then carries lift steel platform, again turnover panel is translated in hoistway wall after promoting complete installation in position, elevator hoistways is shut.Tower crane is adopted upwards to be promoted by this form bracing system one piece smoothly for ensureing in floor work progress when bottom steel platform makes, by elevator door one end, turning cylinder is set at platform girder apart from elevator hoistways inwall 320mm place, when steel platform upwards promotes, girder by elevator door one end is rotated down by platform girder centered by axis of rotation, girder is rotated down the little 200mm of the wide clear span than elevator hoistways of clear span of rear steel platform, and the scaffold on steel platform and steel platform can be promoted to a floor by one piece.On platform secondary beam, weld 150mm height Φ 60 × 3 welded tube apart from 450mm place, well enclosure limit when bottom steel platform makes, base when setting up for upper falsework, when upper falsework is set up, Φ 48 × 3.5 frame pipe is inserted in Φ 60 × 3 welded tube base.Platform girder arranges totally 4, Φ 20 reinforcing bar suspension ring by platform secondary beam position, uses for suspension centre during climbing shuttering support system.Carry out upper falsework after the steel stage+module of bottom to set up, set up according to JGJ130-2011 specification during scaffold building.Upper falsework respectively to establish an adjustable U-shaped holder support at each the root cross bar two ends of bar of sweeping the floor after setting up, the short flitch of U-type groove button withstands elevator hoistways wall, rotates the adjustable holder support nut bar two ends that make to sweep the floor and holds out against hoistway wall, thus make upper falsework stable.Upper falsework set up complete, bar layer of sweeping the floor fixing after fix first step horizon bar, in the position of first step horizon bar, along hoistway wall surrounding is elongated, flitch is set, flitch is fastened by the U-type groove of adjustable U-shaped holder support, then rotating adjustable U-shaped holder support nut makes horizon bar and flitch hold out against hoistway wall under adjustable holder support effect, and each root cross bar two ends all establishes adjustable U-shaped holder to support.Lift-mounting borehole wall template is started after first step horizon bar is fixing, first step horizon bar position is equipped with along borehole wall surrounding and supports fixing flitch by adjustable U-shaped holder, elevator shaft inner formword is bearing on flitch, and hoistway formwork is installed in strict accordance with " building construction formwork technical specification of security " JGJ162-2008 standard construction.Floor concrete placings is complete, and hoistway formwork upwards promotes this form bracing system after removing.First by first step horizon bar, sweep the floor end, straight two ends adjustable U-shaped holder support all return 200mm, then the turnover panel on steel platform is all translated on steel platform, upwards support system is promoted with 4 wire rope, one end of every root wire rope is connected with each suspension ring on steel platform, the other end hangs on the hook of tower crane, tower crane lifting is climbing shuttering support system upwards, in lifting process, steel platform platform girder is rotated down along axis of rotation by elevator door one end, thus by the reduced width of steel platform, steel platform is enable to pass through elevator hoistways, continue upwards to rise to a floor, then the downward platform girder of rotation is upwards propped up by employment, prop up on the flooring on elevator doorway, tower crane hook is to whereabouts, because platform girder is provided with postive stop baffle in side, elevator doorway, postive stop baffle restriction steel platform moves to elevator door side, thus make steel stage+module in place, 4 wire rope are removed after steel stage+module is in place, turnover panel on steel platform is translated in hoistway wall, then repeat step to construct.
The present invention establishes steel platform in steel concrete elevator hoistways, then elevator shaft inner formword support system scaffold is set up to operating surface from steel platform, after this floor concrete construction, when preparing construction last layer elevator shaft, utilize tower crane that the scaffold one piece that steel platform and platform are set up is promoted to last layer, change scaffold in traditional electrical stair shaft and set up the end of from or the shortcoming of girder steel need be added every certain altitude under scaffold upright rod.Adopt and originally peddle that you are simple to operate, eliminate scaffold building in elevator hoistways, ensure that construction safety during construction in elevator hoistways, save scaffolding and save artificial, shorten the construction period, safety is good.

Claims (6)

1. a Tall Steel reinforced concrete construction of lift well method, is characterized in that: the step of this construction method is:
(1), assemble moveable platform: moveable platform comprises platform girder, platform secondary beam, platform checkered steel plate, upset overlap joint beam, two parallel platform girders and two parallel platform secondary beams are orthogonal is loaded into roof beam structure, platform checkered steel plate is laid on roof beam structure and forms platform, upset overlap joint beam is rotatably installed in one end of platform, mounting limit clamp below upset overlap joint beam, platform four limit is all rotated and is installed turnover panel formation moveable platform;
(2), after first floor construction of lift well, with tower crane, moveable platform lifting is put in place;
(3), by lifting the moveable platform put in place be obliquely installed, scaffold is vertically packed on the moveable platform of inclination, upset overlap joint beam is overlapped on hoistway wall place and is lived by limiting card board;
(4), in the hoistway wall of scaffold horizon bar position, arrange elongated flitch, the adjustable U-shaped holder support of horizon bar two ends and hoistway wall hold out against, and adjustable U-shaped holder support U-type groove fastens this elongated flitch, makes the elongated flitch fixation on the borehole wall;
, lift-mounting well template, template stands on the elongated flitch of the horizon bar position borehole wall;
(6), elevator shaft concrete construction;
(7), hoistway formwork is removed;
(8), with tower crane, moveable platform is slowly upwards promoted, when moveable platform upwards promotes and leaves original position, upset overlap joint beam is rotated down by rotating shaft, the width of moveable platform is made to be less than elevator hoistways width, after moveable platform rises to last layer flooring, the upset screwed off overlap joint beam is propped up and prop up on last layer flooring, the downward off the hook of tower crane, makes moveable platform installation in position;
(9), repeat step and (4) arrive step (8) until Tall Steel reinforced concrete construction of lift well is complete.
2. Tall Steel reinforced concrete construction of lift well method according to claim 1, is characterized in that: described platform is provided with suspension ring.
3. Tall Steel reinforced concrete construction of lift well method according to claim 1, is characterized in that: described scaffold is vertically packed on the moveable platform of inclination by scaffold base.
4. Tall Steel reinforced concrete construction of lift well method according to claim 1, is characterized in that: the mesa base of described upset overlap joint beam side is installed only and rotated postive stop baffle.
5. Tall Steel reinforced concrete construction of lift well method according to claim 1, is characterized in that: described scaffold building is all undertaken by " building operations fastener type steel pipe scaffold technical specification of security " JGJ130-2011 specification.
6. Tall Steel reinforced concrete construction of lift well method according to claim 1, is characterized in that: described turnover panel width 300mm.
CN201410781374.1A 2014-12-16 2014-12-16 Construction method for high-rise reinforced concrete elevator shaft Pending CN104631822A (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104947925A (en) * 2015-06-26 2015-09-30 南通理工学院 Elevator shaft protecting operation platform
CN105155830A (en) * 2015-09-11 2015-12-16 杭州江润科技有限公司 Construction method for combined type fixed and integral lifting of elevator shaft stereotyped operation platform
CN106193316A (en) * 2016-07-14 2016-12-07 中国建筑第八工程局有限公司 Integral jacking platform box beam assembled protection system
CN110130673A (en) * 2019-05-20 2019-08-16 中建钢构有限公司 Bracket removes device and bracket method for dismounting
CN110747875A (en) * 2019-10-23 2020-02-04 上海宝冶集团有限公司 Construction method for building scaffold for open caisson construction of cyclone tank

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070169A1 (en) * 1999-05-13 2000-11-23 Otis Elevator Company Lift shaft working platform
CN201843324U (en) * 2010-07-15 2011-05-25 中国建筑第二工程局有限公司 Shaping lifting operation platform
CN102777030A (en) * 2012-08-06 2012-11-14 中国建筑第六工程局有限公司 Method for building up formwork construction platform of lift shaft
CN203487803U (en) * 2013-10-07 2014-03-19 浙江湖州市建工集团有限公司 Safety protection structure for elevator shaft construction
CN203878965U (en) * 2014-06-09 2014-10-15 中建四局第六建筑工程有限公司 Device for construction of elevator shaft
CN203891443U (en) * 2014-05-14 2014-10-22 福建建工集团总公司 Shear wall elevator shaftway assembly type operation platform

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070169A1 (en) * 1999-05-13 2000-11-23 Otis Elevator Company Lift shaft working platform
CN201843324U (en) * 2010-07-15 2011-05-25 中国建筑第二工程局有限公司 Shaping lifting operation platform
CN102777030A (en) * 2012-08-06 2012-11-14 中国建筑第六工程局有限公司 Method for building up formwork construction platform of lift shaft
CN203487803U (en) * 2013-10-07 2014-03-19 浙江湖州市建工集团有限公司 Safety protection structure for elevator shaft construction
CN203891443U (en) * 2014-05-14 2014-10-22 福建建工集团总公司 Shear wall elevator shaftway assembly type operation platform
CN203878965U (en) * 2014-06-09 2014-10-15 中建四局第六建筑工程有限公司 Device for construction of elevator shaft

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104947925A (en) * 2015-06-26 2015-09-30 南通理工学院 Elevator shaft protecting operation platform
CN105155830A (en) * 2015-09-11 2015-12-16 杭州江润科技有限公司 Construction method for combined type fixed and integral lifting of elevator shaft stereotyped operation platform
CN106193316A (en) * 2016-07-14 2016-12-07 中国建筑第八工程局有限公司 Integral jacking platform box beam assembled protection system
CN110130673A (en) * 2019-05-20 2019-08-16 中建钢构有限公司 Bracket removes device and bracket method for dismounting
CN110747875A (en) * 2019-10-23 2020-02-04 上海宝冶集团有限公司 Construction method for building scaffold for open caisson construction of cyclone tank

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Application publication date: 20150520

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